1259659431

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{69737}}^1$

素因数の和:69972

約数の個数: 20

約数和(自身を含む): 1890178752

約数和(自身を除く): 630519321

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 6021, 18063, 69737, 209211, 627633, 1882899, 5648697, 15551351, 46654053, 139962159, 419886477, 1259659431]

約数ペア:

[(1, 1259659431), (3, 419886477), (9, 139962159), (27, 46654053), (81, 15551351), (223, 5648697), (669, 1882899), (2007, 627633), (6021, 209211), (18063, 69737)]